Sunday, April 25, 2010

Humans & Neanderthals Interbred Twice?

An examination of the DNA of 1,983 people from around the globe suggests that extinct human species such as Homo neanderthalensis or Homo heidelbergensis interbred with our own ancestors during two separate periods, and their genes remain in our DNA today. The findings mean Neanderthals did not completely disappear, but “there is a little bit of Neanderthal left over in almost all humans.”